-- 8x8 tabla bez bojenja

import turtle

t = turtle.Turtle()


def kvadrat(a):
  for i in range(4):
    t.forward(a)
    t.left(90)
a=20
t.speed(5)
for i in range(8):
  for j in range(8):
    kvadrat(a)
    t.forward(a)
  t.penup()
  t.forward(-8*a)
  t.right(90)
  t.forward(a)
  t.left(90)
  t.pendown()

-- 8x8 sa bojenjem
"""
This is the Template Repl for Python with Turtle.

Python with Turtle lets you make graphics easily in Python.

Check out the official docs here: https://docs.python.org/3/library/turtle.html
"""

import turtle

t = turtle.Turtle()


def kvadrat(a,boja):
  t.fillcolor(boja)
  t.begin_fill()
  for i in range(4):
    t.forward(a)
    t.left(90)
  t.end_fill()
  
a=20
t.speed(5)
for i in range(8):
  for j in range(8):
    boja = "white"
    if (i+j)%2==1:
      boja = "black"
    kvadrat(a, boja)
    t.forward(a)
  t.penup()
  t.forward(-8*a)
  t.right(90)
  t.forward(a)
  t.left(90)
  t.pendown()